320. Kosher Signs on Packaging

46:17 If one sends an object in a sack, the sack’s stitches must be on the inside (so that the sack cannot be tampered with). The sack must be tied closed and sealed. 46:18 If one sent an animal or bird that was ritually slaughtered or other kosher items using a non-Jewish messenger and it was discovered not to have a proper seal, an authority must be consulted.